1658425344 has 156 divisors (see below), whose sum is σ = 4707400464. Its totient is φ = 519176192.

The previous prime is 1658425343. The next prime is 1658425367. The reversal of 1658425344 is 4435248561.

It is a junction number, because it is equal to n+sod(n) for n = 1658425296 and 1658425305.

It is not an unprimeable number, because it can be changed into a prime (1658425343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3550999 + ... + 3551465.

It is an arithmetic number, because the mean of its divisors is an integer number (30175644).

Almost surely, 2^1658425344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1658425344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2353700232).

1658425344 is an abundant number, since it is smaller than the sum of its proper divisors (3048975120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1658425344 is an equidigital number, since it uses as much as digits as its factorization.

1658425344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 489 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 1658425344 is about 40723.7687843353. The cubic root of 1658425344 is about 1183.6736378304.

The spelling of 1658425344 in words is "one billion, six hundred fifty-eight million, four hundred twenty-five thousand, three hundred forty-four".